BifSpeed is a misprint for BigSpeed Peer-to-Peer SDK 2.0

'BifSpeed' seems to be a misprint for regular program named BigSpeed Peer-to-Peer SDK. If it is true, and you have
really searched for it, please click this link
to go to a BigSpeed Peer-to-Peer SDK homepage and download page: BigSpeed Peer-to-Peer SDK 2.0